CN108508672A - Electrophoretic display apparatus - Google Patents
Electrophoretic display apparatus Download PDFInfo
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- CN108508672A CN108508672A CN201710103440.3A CN201710103440A CN108508672A CN 108508672 A CN108508672 A CN 108508672A CN 201710103440 A CN201710103440 A CN 201710103440A CN 108508672 A CN108508672 A CN 108508672A
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/165—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on translational movement of particles in a fluid under the influence of an applied field
- G02F1/166—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on translational movement of particles in a fluid under the influence of an applied field characterised by the electro-optical or magneto-optical effect
- G02F1/167—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on translational movement of particles in a fluid under the influence of an applied field characterised by the electro-optical or magneto-optical effect by electrophoresis
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/13306—Circuit arrangements or driving methods for the control of single liquid crystal cells
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/133509—Filters, e.g. light shielding masks
- G02F1/133514—Colour filters
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1345—Conductors connecting electrodes to cell terminals
- G02F1/13454—Drivers integrated on the active matrix substrate
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/165—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on translational movement of particles in a fluid under the influence of an applied field
- G02F1/1675—Constructional details
- G02F1/1677—Structural association of cells with optical devices, e.g. reflectors or illuminating devices
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
- G09G3/3433—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source using light modulating elements actuated by an electric field and being other than liquid crystal devices and electrochromic devices
- G09G3/344—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source using light modulating elements actuated by an electric field and being other than liquid crystal devices and electrochromic devices based on particles moving in a fluid or in a gas, e.g. electrophoretic devices
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/165—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on translational movement of particles in a fluid under the influence of an applied field
- G02F1/1675—Constructional details
- G02F2001/1678—Constructional details characterised by the composition or particle type
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F2201/00—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00
- G02F2201/52—RGB geometrical arrangements
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2300/00—Aspects of the constitution of display devices
- G09G2300/04—Structural and physical details of display devices
- G09G2300/0421—Structural details of the set of electrodes
- G09G2300/0426—Layout of electrodes and connections
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- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mathematical Physics (AREA)
- Crystallography & Structural Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Molecular Biology (AREA)
- Electrochemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Computer Hardware Design (AREA)
- Theoretical Computer Science (AREA)
- Electrochromic Elements, Electrophoresis, Or Variable Reflection Or Absorption Elements (AREA)
Abstract
The present invention discloses a kind of electrophoretic display apparatus, including drive array substrate, chromatic filter layer and electrophoretic display thin film.Drive array substrate has multiple display units.Chromatic filter layer is configured on drive array substrate.Chromatic filter layer includes multiple color filter patterns.Each display unit corresponds to the color filter patterns of at least two different colours.Electrophoretic display thin film is configured between drive array substrate and chromatic filter layer.Electrophoretic display thin film includes multiple display mediums.Each display medium includes electrophoresis liquid, multiple colored charged particles, multiple charged black particles and multiple white charged particles.The color of colored charged particles and the color of color filter patterns differ.The electrophoretic display apparatus of the present invention can provide good display quality.
Description
Technical field
The present invention relates to a kind of display devices, and more particularly to a kind of color electric phoretic display device
(electrophoretic display apparatus)。
Background technology
Electronic Paper (e-paper) and e-book (e-book) are to achieve the purpose that display using electrophoretic display technology.
By taking the e-book for showing black and white as an example, display medium mainly by black electrophore tic liquid and mixes the white in black electrophore tic liquid
Charged particle is constituted, and white charged particles can be driven to move by applying alive mode, so that each pixel is shown respectively
Show black, white or gray scale.
In the prior art, electrophoretic display device (EPD) is to reach the purpose of display using the reflection of external light source, and lead to mostly
The white charged particles that overvoltage driving is mixed in electrophoresis liquid can make each pixel show required gray scale.Furthermore in order to
Expand the application of electrophoretic display device (EPD), it also can be in colored filter film be arranged on electrophoretic display thin film.At this point, the color of electrophoretic display device (EPD)
After color presentation is mainly using ambient light by colored filter film, the white charged particles in electrophoresis liquid can be anti-by ambient light
Colored filter film is penetrated after penetrating again and is shown.
In general, chromatic filter layer is mainly made of the filter pattern of multiple and different colors, and each is different
The filter pattern of color can correspond to a pixel unit on drive array substrate respectively.Electrophoretic display device (EPD) utilizes white charged particles
With charged black particles absorb and reflection light, then red, green of arranging in pairs or groups, the filter pattern of blue are colored aobvious to present
Show picture.But in the prior art, the performance of particular color is unable to reach expection, it is therefore desirable to which this particular color colour mixture generates
Color also related perform poor.
Invention content
The present invention provides a kind of electrophoretic display apparatus, it is possible to provide good display quality.
The electrophoretic display apparatus of the present invention, including drive array substrate, chromatic filter layer and electrophoretic display thin film.Driving
Array substrate has multiple display units.Chromatic filter layer is configured on drive array substrate.Chromatic filter layer includes multiple coloured silks
Color filter pattern.Each display unit corresponds to the color filter patterns of at least two different colours.Electrophoretic display thin film is configured at drive
It moves between array substrate and chromatic filter layer.Electrophoretic display thin film includes multiple display mediums.Each display medium include electrophoresis liquid,
Multiple colored charged particles, multiple charged black particles and multiple white charged particles.The color of colored charged particles and coloured silk
The color of color filter pattern differs.
In one embodiment of this invention, orthographic projection of the above-mentioned color filter patterns on electrophoretic display thin film with one
Divide display medium overlapping, it is not be overlapped with another part display medium.
In one embodiment of this invention, above-mentioned another part display medium includes that the first display medium and second are aobvious
Show medium.Display unit, which one of is worked as, is actuated to display predetermined color.In the first display medium, compared to charged black
Particle and white charged particles, colored charged particles are near chromatic filter layer.
In one embodiment of this invention, above-mentioned predetermined color be selected from white, red, yellow and purple wherein it
One.
In one embodiment of this invention, above-mentioned predetermined color is selected from one of red, yellow and purple.
In second display medium, compared to colored charged particles and white charged particles, charged black particles are near colorized optical filtering
Layer.
In one embodiment of this invention, above-mentioned predetermined color is red.A part of display medium includes third
Display medium and the 4th display medium.In third display medium and the 4th display medium, compared to colored charged particles
And white charged particles, charged black particles are near chromatic filter layer.
In one embodiment of this invention, above-mentioned predetermined color is to be selected from one of yellow and purple.Described one
Part display medium includes third display medium and the 4th display medium.Work as in third display medium and the 4th display medium
One of in person, compared to colored charged particles and white charged particles, charged black particles are near chromatic filter layer.
During third display medium and the 4th display medium the other of are worked as, compared to colored charged particles and black bands electrochondria
Son, white charged particles are near chromatic filter layer.
In one embodiment of this invention, above-mentioned predetermined color is yellow.In third display medium, compared to colour
Charged particle and charged black particles, white charged particles are near chromatic filter layer.In the 4th display medium, compared to
Colored charged particles and white charged particles, charged black particles are near chromatic filter layer.
In one embodiment of this invention, above-mentioned predetermined color is purple.In third display medium, compared to colour
Charged particle and white charged particles, charged black particles are near chromatic filter layer.In the 4th display medium, compared to
Colored charged particles and charged black particles, white charged particles are near chromatic filter layer.
In one embodiment of this invention, above-mentioned predetermined color is white.In the second display medium, compared to colour
Charged particle and charged black particles, white charged particles are near chromatic filter layer.
In one embodiment of this invention, above-mentioned a part of display medium includes third display medium and the 4th display
Medium.In third display medium and the 4th display medium, compared to colored charged particles and charged black particles, white
Charged particle is near chromatic filter layer.
In one embodiment of this invention, above-mentioned a part of display medium includes third display medium and the 4th display
Medium.Third display medium corresponds to the color filter patterns of green, and the 4th display medium corresponds to the color filter patterns of blue.
In one embodiment of this invention, above-mentioned another part display medium includes that the first display medium and second are aobvious
Show medium.Display unit one of works as person and is actuated to display predetermined color.In the first display medium and the second display medium
In, compared to colored charged particles and white charged particles, charged black particles are near chromatic filter layer.
In one embodiment of this invention, above-mentioned predetermined color be selected from blue, green and dark green (cyan) its
One of.
In one embodiment of this invention, above-mentioned predetermined color is selected from one of blue and green.Described one
Part display medium includes third display medium and the 4th display medium.Work as in third display medium and the 4th display medium
One of in person, compared to colored charged particles and white charged particles, charged black particles are near chromatic filter layer.
During third display medium and the 4th display medium the other of are worked as, compared to colored charged particles and black bands electrochondria
Son, white charged particles are near chromatic filter layer.
In one embodiment of this invention, above-mentioned predetermined color is green.In third display medium, compared to colour
Charged particle and charged black particles, white charged particles are near chromatic filter layer.In the 4th display medium, compared to
Colored charged particles and white charged particles, charged black particles are near chromatic filter layer.
In one embodiment of this invention, above-mentioned predetermined color is blue.In third display medium, compared to colour
Charged particle and white charged particles, charged black particles are near chromatic filter layer.In the 4th display medium, compared to
Colored charged particles and charged black particles, white charged particles are near chromatic filter layer.
In one embodiment of this invention, above-mentioned predetermined color is dark green.A part of display medium includes the
Three display mediums and the 4th display medium.In third display medium and the 4th display medium, compared to color ribbon electrochondria
Son and charged black particles, white charged particles are near chromatic filter layer.
In one embodiment of this invention, above-mentioned a part of display medium includes third display medium and the 4th display
Medium.Colored charged particles are red charged particles, and third display medium corresponds to the color filter patterns of green, and the 4th display is situated between
It verifies and answers the color filter patterns of blue.
In one embodiment of this invention, the color of above-mentioned colored charged particles is selected from red, blue and green
When one of person and color filter patterns color be in red, blue and green other both.
Based on above-mentioned, in the exemplary embodiment of the present invention, display medium includes black, white and colored charged particles,
The color filter patterns of collocation and colored charged particles different colours, can promote the optical characteristics of electrophoretic display apparatus color.Cause
This, electrophoretic display apparatus can provide good display quality.
To make the foregoing features and advantages of the present invention clearer and more comprehensible, special embodiment below, and it is attached appended by cooperation
Figure is described in detail below.
Description of the drawings
Fig. 1 is the local overlooking schematic diagram of the electrophoretic display apparatus of one embodiment of the invention；
Fig. 2 is the diagrammatic cross-section of the display unit of Fig. 1 embodiments, is displayed in white；
Fig. 3 is the diagrammatic cross-section of the display unit of Fig. 1 embodiments, is displayed in blue；
Fig. 4 is the diagrammatic cross-section of the display unit of Fig. 1 embodiments, display green；
Fig. 5 is the diagrammatic cross-section of the display unit of Fig. 1 embodiments, is displayed in red；
Fig. 6 is the diagrammatic cross-section of the display unit of Fig. 1 embodiments, shows yellow；
Fig. 7 is the diagrammatic cross-section of the display unit of Fig. 1 embodiments, shows purple；
Fig. 8 is the diagrammatic cross-section of the display unit of Fig. 1 embodiments, shows dark green；
Fig. 9 is the schematic top plan view of the chromatic filter layer of one embodiment of the invention.
Symbol description
100：Electrophoretic display apparatus
110：Drive array substrate
112：Pixel unit
114：Driving transistor
116：Display unit
120：Chromatic filter layer
122G、122B：Color filter patterns
123：Center portion
130：Electrophoretic display thin film
132_1、132_2、132_3、132_4：Display medium
L：Electrophoresis liquid
C：Colored charged particles
K：Charged black particles
W：White charged particles
Specific implementation mode
Fig. 1 is painted the local overlooking schematic diagram of the electrophoretic display apparatus of one embodiment of the invention.Fig. 2 is painted Fig. 1 implementations
The diagrammatic cross-section of the display unit of example, is displayed in white.It is omitted for the sake of for convenience of explanation, in Fig. 1 and is painted subelement.Please
With reference to figure 1 and Fig. 2, the electrophoretic display apparatus 100 of the present embodiment includes drive array substrate 110, chromatic filter layer 120 and electricity
Swimming shows film 130.
In the present embodiment, drive array substrate 110 has multiple display units 116.Each display unit 116 includes multiple
Pixel unit 112, such as 4.Each pixel unit 112 includes driving transistor 114.In the present embodiment, each display unit 116
The quantity of included pixel unit 112 and the quantity of the driving transistor 114 included by each pixel unit 112 are only to example
Show explanation, not limiting the present invention.Chromatic filter layer 120 is configured on drive array substrate 110.Chromatic filter layer 120 wraps
Multiple color filter patterns 122G and 122B are included, are configured thereon that.In one embodiment, each color filter patterns can also correspond to
At least two pixel units 112.Electrophoretic display thin film 130 is configured between drive array substrate 110 and chromatic filter layer 120.
Electrophoretic display thin film 130 includes multiple display medium 132_1 to 132_4.Each display medium 132 includes electrophoresis liquid L, multiple colours
Charged particle C, multiple charged black particles K and multiple white charged particles W.Colored charged particles C, charged black particles K
And white charged particles W is distributed in electrophoresis liquid L.
In the present embodiment, each display unit 116 correspond at least two different colours color filter patterns 122G and
122B.The color of colored charged particles C and the color of color filter patterns 122G and 122B differ.For example, colored filter
Light pattern 122G and 122B are for example green, blue respectively, and colored charged particles C is, for example, red.In one embodiment, colored
Charged particle C for example can also be one of to work as person selected from green and blue.The color of corresponding colored charged particles C, colour filter
Light pattern 122G and 122B are for example respectively selected from red and blue combination or the combination of green and red.In other words, color
The color of colour band charged particle C is one of to work as person, the face of color filter patterns 122G and 122B selected from red, blue and green
Color is both other in red, blue and green.In the present embodiment, driving transistor 114 is driving band
Charged particle moves, to which each display unit 116 can show predetermined color, such as white, blue, green, red, yellow, purple
Or dark green, but each display unit 116 of the present invention be not limited to show it is above-mentioned illustrated by many colors.Implement one
In example, display medium 132 can also be controlled by least two driving transistors 114.
In the present embodiment, drive array substrate 110 is, for example, thin-film transistor array base-plate, and driving transistor 114
For thin film transistor (TFT), and as shown in Fig. 2, it is bottom gate thin film transistor (bottom gate TFT).Certainly, it does not paint at other
Embodiment in, driving transistor 114 also can be top-gated electrode film transistor (top-gate TFT), do not limited in this
System.Furthermore the chromatic filter layer 120 of the present embodiment for example may include flexible substrate, and material is, for example, poly- terephthaldehyde
Sour second diester (Poly-ethylene tetrephthalate, PET).
In the present embodiment, orthographic projections of the color filter patterns 122G and 122B on electrophoretic display thin film 130 with one
Divide display medium overlapping, it is not be overlapped with another part display medium.For example, color filter patterns 122G is thin in electrophoresis showed
Orthographic projection on film 130 is Chong Die with display medium 132_3, not be overlapped with display medium 132_1,132_2 and 132_4.Colour filter
Orthographic projections of the light pattern 122B on electrophoretic display thin film 130 is Chong Die with display medium 132_4, with display medium 132_1,132_
2 and 132_3 is not overlapped.In this example it is shown that there is no corresponding configuration colorized optical filtering figures on medium 132_1 and 132_2
Case.
In the embodiment of fig. 2, driving transistor 114 for example drives display unit 116 to be displayed in white.In display medium
In 132_1 (the first display medium), compared to colored charged particles C and charged black particles K, white charged particles W near
Nearly chromatic filter layer 120.In display medium 132_2 (the second display medium), compared to white charged particles W and black bands
Charged particle K, colored charged particles C is near chromatic filter layer 120.In display medium 132_3 (third display medium), compare
In colored charged particles C and charged black particles K, white charged particles W is near chromatic filter layer 120.In display medium
In 132_4 (the 4th display medium), compared to colored charged particles C and charged black particles K, white charged particles W near
Nearly chromatic filter layer 120.Therefore, the pixel unit 112 in display unit 116 by a left side it is right sequentially show green, it is blue,
Red and white, is displayed in white to the entirety of display unit 116.
Fig. 3 is painted the diagrammatic cross-section of the display unit of Fig. 1 embodiments, is displayed in blue.It please refers to Fig.1 and Fig. 3, is scheming
In 3 embodiment, driving transistor 114 for example drives display unit 116 to be displayed in blue.In display medium 132_1, compared to
Colored charged particles C and white charged particles W, charged black particles K is near chromatic filter layer 120；In display medium
Then it is charged black particles K near chromatic filter layer 120 in 132_2；Then it is black bands electrochondria in display medium 132_3
Sub- K is near chromatic filter layer 120；Then it is white charged particles W near chromatic filter layer in display medium 132_4
120.Therefore, the pixel unit 112 in display unit 116 is right by a left side sequentially shows black, blue, black and black,
It is displayed in blue to the entirety of display unit 116.
Fig. 4 is painted the diagrammatic cross-section of the display unit of Fig. 1 embodiments, display green.It please refers to Fig.1 and Fig. 4, is scheming
In 4 embodiment, driving transistor 114 for example drives display unit 116 to show green.Exist with Fig. 2 and Fig. 3 embodiment deviations
In:In display medium 132_1, charged black particles K is near chromatic filter layer 120；In display medium 132_2, black
Charged particle K is near chromatic filter layer 120；In display medium 132_3, white charged particles W is near chromatic filter layer
120；In display medium 132_4, charged black particles K is near chromatic filter layer 120.Therefore, in display unit 116
Pixel unit 112 it is right by a left side sequentially show green, black, black and black, thus the entirety of display unit 116 show it is green
Color.
Fig. 5 is painted the diagrammatic cross-section of the display unit of Fig. 1 embodiments, is displayed in red.It please refers to Fig.1 and Fig. 5, is scheming
In 5 embodiment, driving transistor 114 for example drives display unit 116 to be displayed in red.In brief, the present embodiment is being shown
In medium 132_1, charged black particles K is near chromatic filter layer 120；In display medium 132_2, colored charged particles C
Near chromatic filter layer 120；In display medium 132_3, charged black particles K is near chromatic filter layer 120；It is showing
In medium 132_4, charged black particles K is near chromatic filter layer 120.Therefore, the pixel unit in display unit 116
112 it is right by a left side sequentially show black, black, red and black, so that the entirety of display unit 116 is displayed in red.
Fig. 6 is painted the diagrammatic cross-section of the display unit of Fig. 1 embodiments, shows yellow.It please refers to Fig.1 and Fig. 6, is scheming
In 6 embodiment, driving transistor 114 for example drives display unit 116 to show yellow.Display medium 132_1,132_2,
It is sequentially colored charged particles C, charged black particles K, white charged particles W and charged black respectively in 132_3 and 132_4
Particle K is near chromatic filter layer 120.Therefore, the pixel unit 112 in display unit 116 is right by a left side sequentially shows
Green, black, red and black, whole to display unit 116 show yellow.
Fig. 7 is painted the diagrammatic cross-section of the display unit of Fig. 1 embodiments, shows purple.It please refers to Fig.1 and Fig. 7, is scheming
In 7 embodiment, driving transistor 114 for example drives display unit 116 to show purple.That is, in display medium 132_1,132_
2, it is sequentially colored charged particles C, charged black particles K, charged black particles K and white band respectively in 132_3 and 132_4
Charged particle W is near chromatic filter layer 120.Therefore, the pixel unit 112 in display unit 116 is right by a left side sequentially shows
Show black, blue, red and black, whole to display unit 116 shows purple.
Fig. 8 is painted the diagrammatic cross-section of the display unit of Fig. 1 embodiments, shows dark green.It please refers to Fig.1 and Fig. 8,
In the embodiment of Fig. 8, driving transistor 114 for example drives display unit 116 to show dark green.That is, display medium 132_1,
It is sequentially charged black particles K, charged black particles K, white charged particles W and white respectively in 132_2,132_3 and 132_4
Colour band charged particle W is near chromatic filter layer 120.Therefore, the pixel unit 112 in display unit 116 by a left side it is right according to
Sequence display green, blue, black and black, whole to display unit 116 show dark green.
In the exemplary embodiment of Fig. 2 to Fig. 8, the cross-section structure and collocation of colour of display unit are only illustrating
It is bright, not limiting the present invention.Any those of ordinary skill in the art works as can be by the knot of other display unit
Structure is applied to the electrophoretic display apparatus of the exemplary embodiment of the present invention, and embodiments thereof can usually knowing by technical field
Knowledge obtains enough teachings, suggestion and implements to illustrate, therefore repeats no more.
Fig. 9 is painted the schematic top plan view of the chromatic filter layer of one embodiment of the invention.That shown in Figure 9 be, for example, Fig. 2 extremely
The schematic top plan view of the chromatic filter layer 120 of Fig. 8.It is to be painted, each color filter patterns region in chromatic filter layer
It can not be filled up by filter.Such as in the present embodiment, color filter patterns 122G, 122B are, for example, annular hollow
Filter pattern, as shown in Figure 9.Part 123 does not include filter to color filter patterns 122G, 122B at its center, therefore,
Light can be penetrated from center portion 123, to improve the contrast of electrophoretic display apparatus 100.In one embodiment, center portion
123 may also comprise filter, and the present invention does not limit.Also, the geometry of filter pattern shown in Fig. 9 is only to example
Show explanation, the region shape that filter pattern is underfilled can be changed with quantity according to design, not limiting the present invention.
In conclusion in the exemplary embodiment of the present invention, display medium includes black, white and colored charged particles.
The color of colored charged particles is one of to work as person selected from red, blue and green.Collocation and colored charged particles difference face
The color filter patterns of color, the color of color filter patterns are other the two in red, blue and green.Driving
Transistor driving charged particle moves, so that pixel unit shows different colours, face is preset to the whole display of display unit
Color, to promote the optical characteristics of electrophoretic display apparatus color.Therefore, electrophoretic display apparatus can provide good display quality.
Although disclosing the present invention in conjunction with preferred embodiment above, it is not limited to the present invention, it is any affiliated
Have usually intellectual in technical field, without departing from the spirit and scope of the present invention, can make some changes and embellishment, therefore
Protection scope of the present invention should be subject to what the appended claims were defined.
Claims (21)
1. a kind of electrophoretic display apparatus, which is characterized in that including：
Drive array substrate has multiple display units；
Chromatic filter layer is configured on the drive array substrate, and includes multiple color filter patterns, wherein the respectively display list
Those color filter patterns of corresponding at least two different colours of member；And
Electrophoretic display thin film is configured between the drive array substrate and the chromatic filter layer, and includes multiple display mediums,
Respectively the display medium includes an electrophoresis liquid, multiple colored charged particles, multiple charged black particles and multiple white band electrochondrias
Son,
Wherein the color of those colored charged particles is differed with the color of those color filter patterns.
2. electrophoretic display apparatus as described in claim 1, which is characterized in that wherein those color filter patterns are aobvious in the electrophoresis
Show that the orthographic projection on film is Chong Die with those a part of display mediums, those display mediums are not be overlapped with another part.
3. electrophoretic display apparatus as claimed in claim 2, which is characterized in that those display medium packets of wherein described another part
Including the first display medium and the second display medium, one of those display units, which are worked as, is actuated to display predetermined color,
In first display medium, compared to those charged black particles and those white charged particles, those colored charged particles
Near the chromatic filter layer.
4. electrophoretic display apparatus as claimed in claim 3, which is characterized in that wherein the predetermined color be selected from white, it is red,
One of yellow and purple.
5. electrophoretic display apparatus as claimed in claim 4, which is characterized in that wherein the predetermined color is selected from red, yellow
And one of purple, and in second display medium, compared to those colored charged particles and those white bands
Charged particle, those charged black particles are near the chromatic filter layer.
6. electrophoretic display apparatus as claimed in claim 5, which is characterized in that wherein the predetermined color is red, described one
It includes third display medium and the 4th display medium to divide those display mediums, is shown in the third display medium and the 4th
In medium, compared to those colored charged particles and those white charged particles, those charged black particles are near the coloured silk
Color filtering optical layer.
7. electrophoretic display apparatus as claimed in claim 5, which is characterized in that wherein the predetermined color is to be selected from yellow and purple
One of color, described those display mediums of a part include third display medium and the 4th display medium, are shown in the third
In showing that medium and the 4th display medium one of are worked as, compared to those colored charged particles and those white band electrochondrias
Son, those charged black particles are near the chromatic filter layer, and in the third display medium and the 4th display medium
When the other of in, compared to those colored charged particles and those charged black particles, those white charged particles are most
Close to the chromatic filter layer.
8. electrophoretic display apparatus as claimed in claim 7, which is characterized in that wherein the predetermined color is yellow, in the third
In display medium, compared to those colored charged particles and those charged black particles, those white charged particles near
The chromatic filter layer, and in the 4th display medium, compared to those colored charged particles and those white band electrochondrias
Son, those charged black particles are near the chromatic filter layer.
9. electrophoretic display apparatus as claimed in claim 7, which is characterized in that wherein the predetermined color is purple, in the third
In display medium, compared to those colored charged particles and those white charged particles, those charged black particles near
The chromatic filter layer, and in the 4th display medium, compared to those colored charged particles and those black bands electrochondrias
Son, those white charged particles are near the chromatic filter layer.
10. electrophoretic display apparatus as claimed in claim 4, which is characterized in that wherein the predetermined color is white, and at this
In second display medium, compared to those colored charged particles and those charged black particles, those white charged particles are most
Close to the chromatic filter layer.
11. electrophoretic display apparatus as claimed in claim 10, which is characterized in that those wherein described a part of display medium packets
Third display medium and the 4th display medium are included, in the third display medium and the 4th display medium, compared to this
A little colored charged particles and those charged black particles, those white charged particles are near the chromatic filter layer.
12. electrophoretic display apparatus as claimed in claim 3, which is characterized in that those wherein described a part of display medium packets
The color filter patterns that third display medium and the 4th display medium and the third display medium correspond to green are included, this
Four display mediums correspond to the color filter patterns of blue.
13. electrophoretic display apparatus as claimed in claim 2, which is characterized in that wherein described those display mediums of another part
Including the first display medium and the second display medium, one of those display units, which are worked as, is actuated to one predetermined face of display
Color, in first display medium and second display medium, compared to those colored charged particles and those white bands
Charged particle, those charged black particles are near the chromatic filter layer.
14. electrophoretic display apparatus as claimed in claim 13, which is characterized in that wherein the predetermined color is selected from blue, green
One of color and dark green.
15. electrophoretic display apparatus as claimed in claim 14, which is characterized in that wherein the predetermined color be selected from blue and
One of green, described those display mediums of a part include third display medium and the 4th display medium, in the third
During display medium and the 4th display medium one of are worked as, compared to those colored charged particles and those white electrifications
Particle, those charged black particles are situated between near the chromatic filter layer, and in the third display medium and the 4th display
During matter the other of is worked as, compared to those colored charged particles and those charged black particles, those white charged particles
Near the chromatic filter layer.
16. electrophoretic display apparatus as claimed in claim 15, which is characterized in that wherein the predetermined color is green, this
In three display mediums, compared to those colored charged particles and those charged black particles, those white charged particles near
The nearly chromatic filter layer, and in the 4th display medium, compared to those colored charged particles and those white electrifications
Particle, those charged black particles are near the chromatic filter layer.
17. electrophoretic display apparatus as claimed in claim 15, which is characterized in that wherein the predetermined color is blue, this
In three display mediums, compared to those colored charged particles and those white charged particles, those charged black particles near
The nearly chromatic filter layer, and in the 4th display medium, compared to those colored charged particles and those charged blacks
Particle, those white charged particles are near the chromatic filter layer.
18. electrophoretic display apparatus as claimed in claim 14, which is characterized in that wherein the predetermined color is dark green, described
Those a part of display mediums include third display medium and the 4th display medium, in the third display medium and the 4th
In display medium, compared to those colored charged particles and those charged black particles, those white charged particles near
The chromatic filter layer.
19. electrophoretic display apparatus as claimed in claim 13, which is characterized in that those wherein described a part of display medium packets
It is red charged particle to include third display medium and the 4th display medium and those colored charged particles, which shows
Medium corresponds to the color filter patterns of green, and the 4th display medium corresponds to the color filter patterns of blue.
20. electrophoretic display apparatus as described in claim 1, which is characterized in that the color of wherein those colored charged particles is
One of work as selected from red, blue and green and the color of those color filter patterns be selected from red, blue and
Other the two in green.
21. electrophoretic display apparatus as described in claim 1, which is characterized in that wherein at least one those color filter patterns are not
It is filled up by filter.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710103440.3A CN108508672A (en) | 2017-02-24 | 2017-02-24 | Electrophoretic display apparatus |
| US15/814,422 US10908472B2 (en) | 2017-02-24 | 2017-11-16 | Electrophoretic display apparatus having a color of the color particles is different from the color filter patterns |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710103440.3A CN108508672A (en) | 2017-02-24 | 2017-02-24 | Electrophoretic display apparatus |
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| CN108508672A true CN108508672A (en) | 2018-09-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710103440.3A Pending CN108508672A (en) | 2017-02-24 | 2017-02-24 | Electrophoretic display apparatus |
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| US (1) | US10908472B2 (en) |
| CN (1) | CN108508672A (en) |
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| TWI718540B (en) * | 2019-05-23 | 2021-02-11 | 元太科技工業股份有限公司 | Touch structure and manufacturing method thereof and touch display device |
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| US20180246388A1 (en) | 2018-08-30 |
| US10908472B2 (en) | 2021-02-02 |
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